1390754620

素因数分解:

$2^2\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{46021}}^1$

素因数の和:47541

約数の個数: 24

約数和(自身を含む): 2922581088

約数和(自身を除く): 1531826468

約数列:

[1, 2, 4, 5, 10, 20, 1511, 3022, 6044, 7555, 15110, 30220, 46021, 92042, 184084, 230105, 460210, 920420, 69537731, 139075462, 278150924, 347688655, 695377310, 1390754620]

約数ペア:

[(1, 1390754620), (2, 695377310), (4, 347688655), (5, 278150924), (10, 139075462), (20, 69537731), (1511, 920420), (3022, 460210), (6044, 230105), (7555, 184084), (15110, 92042), (30220, 46021)]